refactor: remove geoLocation from settings

Closes #99

src/app/modules/settings/settings.provider.ts

@@ -13,7 +13,6 @@
  * this program. If not, see <https://www.gnu.org/licenses/>.
  */
 import {Injectable} from '@angular/core';
-import {Geolocation} from '@ionic-native/geolocation/ngx';
 import {
   SCSetting,
   SCSettingValue,
@@ -196,11 +195,9 @@ export class SettingsProvider {
    *
    * @param storage TODO
    * @param configProvider TODO
-   * @param geoLocation TODO
    */
   constructor(private readonly storage: StorageProvider,
-              private readonly configProvider: ConfigProvider,
-              private readonly geoLocation: Geolocation) {
+              private readonly configProvider: ConfigProvider) {
     this.categoriesOrder = [];
     this.settingsCache = {};
   }
@@ -265,32 +262,6 @@ export class SettingsProvider {
     return this.settingsCache[category] !== undefined;
   }
 
-  /**
-   * Checks for user permission to use location
-   */
-  public async checkGeoLocationPermission(): Promise<boolean> {
-    // request geoLocation to test the user permission
-    try {
-      // set enableHighAccuracy, otherwise android platform does not respond
-      const options = {
-        enableHighAccuracy: true,
-      };
-      await this.geoLocation.getCurrentPosition(options);
-    } catch (error) {
-      // if error code is 1 the user denied permission,
-      // other errors like 'timeout' or 'no location' will be ignored here
-      if (error.code === 1) {
-        // ios has special error message for disabled location services, for the setting we ignore it
-        if (error.message.toLowerCase() !== 'location services are disabled.') {
-          // revert setting value
-          return false;
-        }
-      }
-    }
-
-    return true;
-  }
-
   /**
    * Returns copy of cached settings
    */